Adjective: putrid-smelling
- Having the putrid odour of decaying organic matter
"The putrid-smelling compost pile attracted flies"
See also: ill-smelling, malodorous, malodourous [Brit, Cdn, non-standard], minging [Brit, informal], niffy [Brit, informal], pongy [Brit, informal], stinky [informal], unpleasant-smelling, whiffy [Brit, informal]